Finding the Fourth Proportional to 498,856.34, 688,420.68 and 272,501.84
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Solution
The fourth proportional to 498,856.34, 688,420.68 and 272,501.84 is: 376,051.96
Step by Step Solution
- Step 1: Write the proportion equation
498,856.34 : 688,420.68 = 272,501.84 : x - Step 2: Convert to fraction form
498,856.34/688,420.68 = 272,501.84/x - Step 3: Cross multiply
498,856.34x = 688,420.68 × 272,501.84 - Step 4: Simplify right side
498,856.34x = 187,595,901,994.05 - Step 5: Solve for x
x = 187,595,901,994.05/498,856.34 - Step 6: Final answer
x = 376,051.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.